515515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 838656

約数和(自身を除く): 323141

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 103, 143, 385, 455, 515, 715, 721, 1001, 1133, 1339, 3605, 5005, 5665, 6695, 7931, 9373, 14729, 39655, 46865, 73645, 103103, 515515]

約数ペア:

[(1, 515515), (5, 103103), (7, 73645), (11, 46865), (13, 39655), (35, 14729), (55, 9373), (65, 7931), (77, 6695), (91, 5665), (103, 5005), (143, 3605), (385, 1339), (455, 1133), (515, 1001), (715, 721)]